Dr. Barr is a Professor of Radiology at Northeast Ohio Medical University. He practices at Southwoods Imaging in Youngstown, Ohio. Dr. Barr has published over 100 peer reviewed papers, several book chapters, and a book “Breast Elastography” and a book “Elastography, a Practical Approach”. He has presented over 400 scientific and educational presentations and invited lectures world-wide. He has been involved in elastography and ultrasound contrast for over 15 years presenting multiple presentations worldwide on these subjects. He is the editor-in-chief of Journal of Ultrasound in Medicine. Aunt Minnie named him a semi-finalist for the most influential radiology researcher in 2018. Dr. Barr is a chairman of the QIBA ultrasound contrast committee.